HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

NICOLAS THOR, MD

INTERNAL MEDICINE

Graduated: 2021

NPI: 1861078545

Practice Locations (3)

QUANTUM HEALTHCARE MEDICAL ASSOCIATES INC

400 N PEPPER AVE

COLTON, CA 923241801

9095801000

CLINIC SERVICES OF CALIFORNIA MEDICAL GROUP INC

400 N PEPPER AVE

COLTON, CA 923241801

9095801000

HOSPITALIST CORPORATION OF INLAND EMPIRE

1880 N ORANGE GROVE AVE

POMONA, CA 917673006

9096307158

Source: CMS National Downloadable File, September 2026.

NICOLAS THOR, MD | HealthCareAtlasUSA